[OpenJDK 2D-Dev] JDK 9 RFR of JDK-8033624: Fix raw and unchecked lint warnings in sun.font

[Joe Darcy]

Hello,

Please review this change which resolves ~200 raw and unchecked warnings 
in sun.font. (Afterward, the code is also free the of the "cast" warning.)

    JDK-8033624 : Fix raw and unchecked lint warnings in sun.font
    http://cr.openjdk.java.net/~darcy/8033624.0/

Thanks,

-Joe